FLIGHT NUMBER
DATE AND TIME
LAUNCHING SITE
DESCRIPTION OF BALLOONS
WEIGHT OF BALLAST
TOTAL WEIGHT ON BALLOON INCLUDING BALLAST
DESCRIPTION OF ALTITUDE CONTROL
BALLAST WEIGHT
FREE LIFT
BALLOON LIFT
RADIOSONDE RECEPTION
TRACKING
ALTIMETER OBSERVATION
FLIGHT DURATION
Q-TIME CONSTANT
MAXIMUM & CONSTANT LEVELS MSL
RECOVERY & LAND-ING SITE
CRITIQUE
A
20 Nov. 1946 1438 MST
NTU, N.Y.
2 - 350 gram meteorological
0.7 kg
1.8 kg
None
0
Not known
Not known
80%
0%
0%
70 min.
4 min. ± 1000'
Max. 37000' Const. 37000'
0%
Balloon balancing load. Free lift from 350 gram meteorological balloon. Successful cutting free of lifter balloon. Balloon did not level off.
B
16 Dec. 1946 1219 MST
NTU, N.Y.
2 - 350 gram meteorological
0.7 kg
1.8 kg
None
0
Not known
Not known
80%
Theodo-lite 50%
0%
31 min.
6 min. ± 1000'
Max. 15000' Const. 15000'
0%
Balloon balancing load. Free lift from 350 gram meteorological balloon. Successful cutting free of lifter balloon. Balloon did not level off.
1
3 April 1947 1412 MST
Bethlehem Pennsylvania
14 - 350 gram meteorological balloon. Long cosmic ray train
4.9 kg
13.0 kg
3 cans of ballast to be dropped on descent
4.8 kg
Not known
Not known
60% with recorder 50% without recorder
Theodo-lite 66%
0%
115 min.
None
Max. 46000'
0%
Failure due to poor rigging, poor launching technique. 2 lifter balloons, 12 main balloons. Train rose until some balloons burst then descended rapidly.
5
5 June 1947 1317 MST
Almogordo New Mexico
29 - 350 gram meteorological balloon. Long cosmic ray train
10.2 kg
26.4 kg
Balloons to exit off above 40000' 5 kg sand and 5 kg liquid to fall under 32000'
10.0 kg
9.9 kg
34.3 kg
100% with-out recorder
Theodo-lite 90%
90%
348 min.
38 min. ± 200'
Max. 58000' Const. 51000'
100% E. of Roswell N. M.
First successful flight carrying a heavy load. 3 lifter balloons, 26 main balloons.
6
7 June 1947 0509 MST
Almogordo New Mexico
28 - 350 gram meteorological balloon. Long cosmic ray train
9.8 kg
28.3 kg
Balloons to exit off above 40000' 5 kg sand and 5 kg liquid to fall under 32000'
10 kg
1.9 kg
30.2 kg
95% with-out recorder
Theodo-lite 90%
40%
166 min.
None
Max. 72000'
50%
Flight unsuccessful. Altitude control damaged on launching. 4 lifter balloons, 24 main balloons.
7
2 July 1947 0321 MST
Almogordo New Mexico
20 - 350 gram meteorological balloon. 8 Helion clusters
7.0 kg
25.7 kg
4 over inflated balloons. 10 kg sand shot to fall under 34000'
10 kg
10.5 kg
36.2 kg
60% with-out recorder
Theodo-lite 100%
100%
412 min.
147 min. ± 5000'
Max. 48500' Const. 35000'
1% (1 balloon)
Best flight thought possible with flabby neoprene balloons. 4 lifter balloons, 16 main balloons.
8
3 July 1947 0303 MST
Almogordo New Mexico
10 General Mills 7' .001 polyethylene
4.6 kg
16.7 kg
Dribbler, compass fluid Fixed leak 160 gm/hr
3 kg
3.5 kg
20.2 kg
100% with recorder
Theodo-lite 35% Rader - last 55%
Last 15% C-45
195 min.
62 min. ± 1500'
Max. 16500' Const. 18000'
0%
First non-extensible balloon flight. Due to lack of information on volume the altitude control was not actuated. However, flight shows excellent stability of non-extensible balloons. Loss of lift due to balloon leakage 1060 gm/hr.
10
5 July 1947 0501 MST
Almogordo New Mexico
1 H.A. Smith 15' .008 polyethylene
14.2 kg
16.3 kg
Dribbler Compass fluid
3 kg
5.4 kg
21.9 kg
512 min. with recorder
Theodo-lite 82 min.
0%
Over 512 min.
130 min. ± 300' 282 min. ± 2700'
Max. 15100' Const. 9000'
0%
Successful flight with altitude control working. Balloon reported over Albuquerque after 11 hours. Fluctuations toward end of transmission believed due to convection currents over desert. Balloon diffusion 10 gm/hr.